TWI746873B - Wrapper for non-burning heating type smoking article, non-buring heating type smoking article and electrically heating type smoking system - Google Patents

Abstract

The present invention provides a wrapper for non-burning heating type smoking article which has a white part, the white part having a discrimination score obtained by substituting the color difference value in the CIELab color system before and after heating at 230℃ for 3 minutes in the following formula (1) showing a numerical value lower than 0.62, and a ISO whiteness degree of 83% or more. Discrimination score (y) y = -0.18 × △L * + 0.08 × △a * + 0.13 × △b * -2.36 (1)

(In the formula (1), the color difference value in the CIELab color system before and after heating means the value obtained by subtracting the L*, a*, b* values before heating from the L*, a*, b* values after heating. △L* represents the difference in lightness L* after and before heating the wrapper, △a * represents the difference in chromaticity a * after and before heating the wrapper, and △b * represents the difference in chromaticity b * after and before heating the wrapper).

Description

Non-combustion heating type smoking article roll paper, non-combustion heating type smoking article and electric heating type smoking system

The present invention relates to a non-combustion heating type smoking article roll paper, a non-combustion heating type smoking article and an electric heating type smoking system.

A non-combustion heating type smoking article in the form of heating from a tobacco rod containing tobacco shreds to deliver volatile components to the user is known. In non-combustion heating smoking articles, tobacco rods wrapped in paper are heated, but unlike previous cigarettes, the tobacco rods will not burn and remain after use (after heating).

In previous cigarettes, the paper used to wrap the tobacco shreds was sometimes accompanied by a trademark, but white (colorless) paper was generally used.

Among non-combustion heating smoking articles, it is known that when the paper used in previous cigarettes is used as the paper for wrapping tobacco shreds, the heating during use may sometimes cause discomfort to the user. Discoloration. In contrast to this problem, although there is a method of using specific colored paper to make the discoloration less noticeable, it can be seen that additional effort is required to use white paper with high generality.

Therefore, the subject of the present invention is to provide a non-combustion heating type smoking article roll that does not cause discomfort in appearance that may be caused by heating.

In order to solve the above-mentioned problems, the present inventors focused on: using a roll paper with a white part that has a specific whiteness before heating and a specific range of discoloration area after heating, so as to make the uncomfortable discoloration and discoloration It's less eye-catching.

Paper made of pulp as the main material will scorch and change color to brown when heated at a certain temperature or higher. The reason is that the pulp or paper constituents are caused by physical phenomena caused by thermal decomposition, so this cannot be simply prevented. Discoloration. However, it has been found that even if the discoloration occurs due to scorching, if the original color of the paper and the subsequent discoloration can be reduced to a certain range, it is not easy to be recognized as an uncomfortable feeling of burnt black.

The inventor found that the visually allowable color difference area of the degree of discoloration is expressed by a mathematical formula, and found that when the values of L*, a*, and b* before and after heating are substituted into the mathematical formula, the specific The value of, and the use of white paper with a specific whiteness before heating as the roll paper can solve the problem of discomfort and discoloration unique to non-combustion heating smoking articles.

Specifically, the present inventors found that if a paper having a white portion with an ISO whiteness before heating of 83% or more and a small color difference before and after heating is used, the above-mentioned uncomfortable discoloration problem can be solved.

The subject of the present invention is a non-combustion heating type smoking article that is heated by an electric heating device, and it is a problem that does not occur in conventional smoking articles (cigarettes, etc.).

That is, the present invention is as described below.

[1] A non-combustion heating type smoking article roll paper, which has a white part, the white part will be heated at 230 ℃ for 3 minutes before and after the color difference in the CIELab color system is substituted into the following formula (1) The obtained discriminant score shows a value lower than 0.62, and the ISO whiteness is 83% or more.

Discriminant score (y) y=-0.18×△L*+0.08×△a*+0.13×△b*-2.36 (1)

(In formula (1), the so-called color difference value in the CIELab color system before and after heating is the value of L*, a*, b* after heating minus L*, a*, b* before heating Value after the value; △L* represents the difference between the brightness L* of the aforementioned roll paper after heating and before heating, △a* represents the difference between the chromaticity a* of the aforementioned roll paper after heating and before heating, △b* represents the aforementioned roll (The difference between the chromaticity b* of the paper after heating and before heating)

[2] The non-combustion heating type smoking article roll paper according to [1], wherein the non-combustion heating type smoking article roll paper contains a filler, and the content of the filler is 15 to 45% by weight, and the non-combustion heating type The basis weight of the smoking article roll paper is 25 to 45 gsm. When the basis weight is 25 gsm or more and 35 gsm or less, the filler is 15 to 45% by weight, and when the basis weight exceeds 35 gsm and is less than 45 gsm, the filler is 25 to 45% by weight.

[3] The non-combustion heating type smoking article roll paper according to [1] or [2], wherein the tensile strength is 8N/15mm or more.

[4] The non-combustion heating type smoking article roll paper according to [2] or [3], wherein the filler is calcium carbonate, and the opacity of the roll paper is 60% or more.

[5] The non-combustion heating type smoking article roll paper according to any one of [1] to [4], wherein the discrimination score of the white part does not reach 0.

[6] The non-combustion heating type smoking article roll paper described in [1] to [5], wherein the roll paper does not contain a combustion enhancer.

[7] A non-combustion heating type smoking article, which has a tobacco stem and a mouthpiece that forms an end opposite to the tobacco stem. The tobacco stem contains tobacco shreds and mist (aerosol; also known as gas). Sol) The filler for generating the substrate is rolled by the first roll of paper used to wrap the filler; the tobacco rod and the mouthpiece are the same or the roll paper used for packaging the filler Different second paper rolls are connected, and at least one of the first paper roll and the second paper roll is the non-combustion heating type smoking article roll paper as described in any one of [1] to [6].

[8] An electric heating type smoking system consisting of an electric heating type device and a non-combustion heating type smoking article as described in [7] fitted in contact with the following heat transfer member, the electric heating The type device includes a heater member, a heat transfer member that conducts heat from the heater member, a battery unit that becomes a power source of the heater member, and a control unit for controlling the heater member.

According to the present invention, it is possible to provide a non-combustion heating type smoking article roll paper which does not cause discomfort in appearance that may be caused by heating.

10‧‧‧Non-combustion heating type smoking articles

11‧‧‧Filling

12‧‧‧The first roll of paper

13‧‧‧The second roll of paper (outer paper)

14‧‧‧Paper Tube Department

15‧‧‧Filter

16‧‧‧Cigarette holder

17‧‧‧Hollow section

20‧‧‧Electric heating device

21‧‧‧Battery unit

22‧‧‧Control Unit

23‧‧‧Body

24‧‧‧Heater components

25‧‧‧Heat transfer components

30‧‧‧Electric heating type smoking system

Figure 1 is a schematic diagram showing the same state of a non-combustion heating type smoking article.

Figure 2 is a schematic diagram showing other aspects of the non-combustion heating smoking article.

Figure 3 is a schematic diagram showing the same state of the electrically heated smoking system.

Figure 4A is a graph showing the relationship between the △L* value before and after heating and the appearance impression of each paper sample.

Figure 4B is a graph showing the relationship between the Δa* value before and after heating and the appearance impression of each paper sample.

Figure 4C is a graph showing the relationship between the Δb* value before and after heating and the appearance impression of each paper sample.

Figure 5 is a graph showing the results of discriminant analysis of the relationship between the △ value of L*, a*, b* and the appearance impression of each paper sample before and after heating.

Figure 6 is a graph showing the relationship between the △a* value and the △b* value of each paper sample before and after heating.

Figure 7 is a graph obtained by plotting the relationship between the filler content in the roll paper and the discriminant score according to different basis weights.

Hereinafter, the present invention will be explained in detail by showing embodiments and exemplified materials. However, the present invention is not limited to the following embodiments and exemplified materials, and can be implemented with arbitrarily changed without departing from the gist of the present invention.

〈Roll paper for non-combustion heating type smoking articles〉

In this manual, the "roll paper for non-combustion heating type smoking articles" refers to the roll paper used for non-combustion heating type smoking articles described later. Hereinafter, it is also only referred to as the roll paper of the embodiment of the present invention. Regarding the use of the roll paper of the embodiment of the present invention, the so-called "non-combustion heating type smoking article" means to be used to wrap fillers containing tobacco shreds to make tobacco rods, or to connect adjacent tobacco rods The component is used for the case of the outer peripheral surface of the package.

The roll paper of the embodiment of the present invention has a white part. Before and after heating the white part at 230°C for 3 minutes (also referred to as before and after heating), respectively, L*, a*, b* are measured and each of the before and after heating The difference between the values (the value after heating minus the value before heating) is expressed as △L*, △a*, △b*, and then substituting these values into the following formula (1) to obtain y (Discrimination score) is a value less than 0.62, and the ISO whiteness is 83% or more.

Discriminant score (y) y=-0.18×△L*+0.08×△a*+0.13×△b*-2.36 (1)

If the roll paper of the embodiment of the present invention has a white portion where the discriminant score obtained by substituting the values of △L*, △a*, and △b* into the above formula (1) shows a value less than 0.62, the value before heating The values of L*, a*, and b* are not particularly limited.

The white part having the above-mentioned discrimination score may exist on the entire surface of the roll paper of the embodiment of the present invention, or may exist at least in the heated part (heated by an electric heating type device described later).

ISO whiteness can be obtained by the following method.

According to JIS 8148:2001 ISO whiteness (diffuse blue light reflectance) measurement method of paper, paperboard and pulp, use whiteness/opacity measuring machine (manufacturer: Murakami Color Technology Research Institute, model: WMS-1) Determination.

The higher L* value of the white part before heating (brighter and lighter color) tends to be above 83% in ISO whiteness. In one form of roll paper, the L* value of the white part before heating can be listed as 95% or more.

As shown in the following examples, if the y (discrimination score) obtained by the above formula (1) is less than 0.62, there will be no discomfort in appearance that may be caused by heating. When the y (discrimination score) obtained by the above formula (1) is less than 0, it is possible to more reliably include those that do not impair the appearance before and after heating.

In the roll paper of the embodiment of the present invention, the values of L*, a*, and b* before and after heating are measured at 5 points of the white part of the paper as a sample, and their simple average values are used. The measurement target is an arbitrary point on the white part of the paper, but when there are characters or drawings such as a trademark on the paper, the part where the white part of the character or the trademark does not exist is the target. The values of L*, a*, and b* can be measured using a spectrophotometer.

Specifically, a spectrophotometer (manufactured by X-Rite, product name SpectroEye) can be used. The measurement was carried out under the conditions of light source D65, no light source filter, and viewing angle of 2°. One sample was placed on a paper with an ISO whiteness of 92% and the measurement part of the spectrophotometer was pressed against it.

There are no special restrictions on the means for obtaining paper with a white portion with a discriminant score obtained by the above formula (1) showing a value less than 0.62 and an ISO whiteness of 83% or more (also referred to as paper with the above characteristics) , You can use generally known methods. When the entire surface of the roll paper has a white portion with a discriminant score of less than 0.62 and an ISO whiteness of 83% or more, the roll paper can be manufactured by adjusting the types and contents of pulp and fillers in the papermaking stage. Specific examples include increasing the content of fillers described later or avoiding the use of colored materials.

On the other hand, when a part of the roll paper has a colored portion within a range that does not impair the appearance impression after heating, for example, by applying printing, a colored portion showing a desired hue can be provided. The printing method is not particularly limited, and examples include gravure printing and offset printing. The colored part refers to the part where the ISO whiteness is less than 83%.

When a trademark or partial pattern is attached to the base paper as a colored part by printing, the printing surface (printing place) is not regarded as the object of color measurement by a spectrophotometer. In addition, when the colored portion is applied to the roll paper by printing, the area ratio thereof may be 10% or less, preferably 5% or less, and particularly preferably 3% or less. On the contrary, in the roll paper of the embodiment of the present invention, the ratio of the area of the white part may be 90% or more, preferably 95% or more, and particularly preferably 97% or more. On the other hand, when a regular pattern is provided as a colored portion and does not affect the appearance impression before and after heating, the ratio of the area of the white portion may be 50% or more.

On the surface of the roll paper, at least the heated part (the part heated by the electric heating device) is preferably the one with the discriminant score obtained by the above formula (1) less than 0.62 and the ISO whiteness above 83%. On the surface of the roll paper, by making the portion heated by the electric heating type device described later have the above-mentioned characteristics, it is possible to prevent the deterioration of the appearance after heating.

The basis weight of the roll base paper of the embodiment of the present invention is, for example, usually 20 gsm or more, preferably 25 gsm or more. On the other hand, the basis weight is usually 65 gsm or less, preferably 50 gsm or less, and more preferably 45 gsm or less. The relationship between the basis weight and the filler content will be described later.

The thickness of the roll paper having the above characteristics is not particularly limited. From the viewpoints of rigidity, air permeability, and ease of adjustment during papermaking, it is usually 10 μm or more, preferably 20 μm or more, and particularly preferably 30 μm or more. In addition, usually It is 100 μm or less, preferably 75 μm or less, and particularly preferably 50 μm or less.

Non-combustion heating type smoking article roll paper, the shape can be a square or a rectangle. When used as a roll paper for rolling tobacco shreds (to make tobacco rods), the length of one side can be about 15 to 70 mm, the length of the other side can be about 15 to 26.5 mm, and the length of the other side is about 15 to 26.5 mm. A preferred length can be 24 mm.

Like tipping paper, when the tobacco rod and other components adjacent to the tobacco rod are connected and packaged, the length of one side can be 20 to 60 mm, and the length of the other side can be about 15 to 26.5 mm.

The roll paper having the above-mentioned characteristics can be exemplified by pulp as the main component. In addition to making pulp from conifer pulp or hardwood pulp, it can also be made by mixing non-wood pulp with flax pulp, hemp pulp, sisal pulp, reed, etc., which are commonly used in smoking articles. have to.

The types of pulp can be chemical pulp, wood pulp, chemical wood pulp, thermomechanical pulp, etc. obtained by kraft digestion, acid or neutral or alkaline sulfite digestion, sodium salt digestion, etc. .

In the papermaking process using the above-mentioned pulp and by the Fourdrinier paper machine, the cylinder paper machine, the round and short composite paper machine, etc., the roll paper is made uniform and uniform in texture. In addition, the above-mentioned wet paper strength enhancer may be added as needed to impart water resistance to the roll paper, or a sizing agent may be added to adjust the printing degree of the roll paper. In addition, aluminum sulfate, various anionic, cationic, nonionic, or amphoteric yield enhancers, drainage enhancers, and paper strength enhancers can be added as internal additives for papermaking, as well as dyes and pH adjusters. , Antifoaming agent, spacing control agent, and slime control agent and other additives for paper making.

In addition to the above-mentioned pulp, the roll paper of the embodiment of the present invention may also contain a filler. The content of the filler relative to the total weight of the roll paper of the embodiment of the present invention may be 10% by weight or more and less than 60% by weight, preferably 15 to 45% by weight.

In the roll paper of the embodiment of the present invention, in the preferred basis weight range (25 to 45 gsm), the filler is preferably 15 to 45% by weight.

Furthermore, when the basis weight is 25 gsm or more and 35 gsm or less, the filler is preferably 15 to 45% by weight, and when the basis weight exceeds 35 gsm and is less than 45 gsm, the filler is preferably 25 to 45% by weight.

As the filler, calcium carbonate, titanium dioxide, kaolin, etc. can be used. From the viewpoint of improving the taste and whiteness, it is preferable to use calcium carbonate.

Paper containing this filler usually presents a bright white color, which can be kept white for a long time. By containing a large amount of this filler, the ISO whiteness of the roll paper can be set to 83%.

The tensile strength of the roll paper of the embodiment of the present invention measured by the following measuring method is 8N/15mm or more, from the practical point of view of using the roll paper as a non-combustion heating type smoking article.

This tensile strength can be increased by reducing the filler content. Specifically, by making the content of the filler lower than the upper limit of the content of the filler shown in the ranges of the respective basis weights exemplified above, the tensile strength can be improved.

<Measurement method of tensile strength>

According to P8113:2006 (ISO1924-2:1994) Paper and Board Paper-Test Method for Tensile Properties-Part 2: Measured according to the constant speed drawing method and using Strograph E-L manufactured by Toyo Seiki Seisakusho.

The opacity of the roll paper of the embodiment of the present invention measured by the following measurement method is preferably 60% or more. Opacity can be increased by increasing the filler content in the roll paper. Specifically, by making the content of the filler higher than the lower limit of the content of the filler shown in the range of each basis weight exemplified above, the opacity can be improved.

<Measurement method of opacity>

The opacity is a value measured in accordance with ISO2471 using a whiteness/opacity measuring machine (manufacturer: Murakami Color Technology Research Institute, model: WMS-1). The so-called opacity is the value calculated by the calculation formula: single sheet visual reflectance coefficient (R0)/intrinsic visual reflectance coefficient (R∞)×100(%). The intrinsic visual reflectance coefficient (R∞) of this calculation formula is the intrinsic reflectance coefficient of the whiteness when measured under the spectroscopic conditions with an effective wavelength of 457nm and a half-value width of 44nm using a predetermined reflectance meter and light source.

In order to satisfy the above-mentioned discriminant score in the roll paper of the embodiment of the present invention, it is preferable that the combustion-supporting agent contained in the conventional tobacco rod roll paper is not included. The roll paper of the embodiment of the present invention can be used as the first roll paper used in the non-combustion heating type smoking article described later, or as the second roll paper.

<Non-combustion heating type smoking article>

Examples of the non-combustion heating type smoking article of the embodiment of the present invention include those having the configuration shown in Fig. 1.

The non-combustion heating type smoking article 10 of Figure 1 has: a filler 11, a tobacco rod formed by the first roll of paper 12 of the roll filler 11, and an end formed on the opposite side of the tobacco rod The mouthpiece part 16; the tobacco rod part and the mouthpiece part are connected by using another second roll paper 13 (the outer layer paper in the first figure) that is the same as or different from the roll paper that wraps the filler. In the embodiment of the present invention, even if the first roll paper and the second roll paper are each composed of only one sheet, they will not be burnt due to heating. If only one piece is used, the cost can be reduced.

At least one of the first roll paper and the second roll paper is the roll paper of the embodiment of the present invention described above. Preferably, at least the first roll of paper is the roll of paper according to the embodiment of the present invention. In addition, it is also preferable that both the first roll paper 12 and the second roll paper are the roll papers of the embodiment of the present invention described above.

In the aspect shown in FIG. 1, the mouthpiece portion 16 includes a paper tube portion 14 and a filter portion 15. In addition, an outer layer paper 13 is provided as a second roll of paper for connecting these. In Figure 1, the mouthpiece portion 16 is composed of two segments, but the mouthpiece portion 16 may be composed of a single segment or be composed of three or more segments. In addition, the section constituting the mouthpiece portion may be constituted to include both the paper tube portion and the filter portion or to be constituted by only any one of them.

4.5至

1.0mm的桿。由於填充層之纖維的填充密度高，所以於吸嚐時空氣或霧氣(aerosol)僅流通通道部，幾乎不流通填充層內。非燃燒加熱型吸煙物品中，在欲降低因濾嘴部15中之霧氣成分的過濾所導致之減少時，可縮短濾嘴部15的長度並以中空區段17來取代，此對於增大霧氣成分輸送量而言為有效。由於中空區段17內部的填充層為纖維填充層，所以於使用時從外側接觸的觸感比起紙管部14更接近於濾嘴部，因此帶給使用者的差異感較少。 In FIG. 2, it is described that the mouthpiece portion 16 is composed of three segments. The embodiment in FIG. 2 has a hollow section 17 between the paper tube portion 14 and the filter portion 15 in FIG. 1. The hollow section 17 is composed of a filling layer with one or more hollow channels and a plug packing material covering the filling layer. Regarding the filling layer, for example, it can be composed of a high density filled with cellulose acetate fibers, and an inner diameter formed by adding 6 to 20% by weight of a plasticizer containing triacetin relative to the weight of the cellulose acetate and hardening it. for

4.5 to

1.0mm rod. Due to the high packing density of the fibers in the packing layer, air or mist (aerosol) only flows through the channel portion during inhalation, and hardly circulates in the packing layer. In the non-combustion heating type smoking article, when it is desired to reduce the reduction caused by the filtration of the mist components in the filter portion 15, the length of the filter portion 15 can be shortened and replaced with a hollow section 17, which is useful for increasing the mist. It is effective in terms of component delivery amount. Since the filling layer inside the hollow section 17 is a fiber filling layer, the tactile touch from the outside during use is closer to the filter part than the paper tube part 14, so it brings less sense of difference to the user.

In the embodiments shown in Figs. 1 and 2, the length of the non-combustion heating smoking article 10 in the longitudinal direction is preferably 40 mm to 90 mm, more preferably 50 mm to 75 mm, and more preferably 50 mm to 60 mm. In addition, the circumference of the non-combustion heating type smoking article is preferably 15 mm to 25 mm, more preferably 17 mm to 24 mm, and more preferably 20 mm to 22 mm. In addition, in the embodiment shown in Figure 2, the length of the tobacco stem portion is 20mm, the length of the paper tube portion is 20mm, the length of the hollow section portion is 8mm, and the length of the filter portion is 7mm. , But these individual section lengths can be changed appropriately according to manufacturing suitability and required quality.

The vapor containing the mist generating substrate and tobacco flavor components generated by heating the tobacco rod will cool and liquefy to generate mist as it passes through the paper tube portion 14 and contacts the air in the paper tube.

In addition, the non-combustion heating type smoking article 10 may also have a part of the second roll paper 13 (outer paper) around the paper tube portion 14 and the coated paper tube portion 14 with tiny holes for extracting air from the outside ( Not shown in the figure). Due to the existence of these tiny holes, air can flow from the outside into the inside of the paper tube portion 14 during use, so that the steam containing the mist generating base material and the tobacco flavor components generated by heating the tobacco rod and the steam from the outside Contact with air reduces the temperature and liquefies, so that mist can be generated more reliably.

Examples of the paper tube portion 14 include those processed into a cylindrical shape by thick paper.

For the filter part 15, for example, one using acetate tow as a material can be cited. The monofilament fineness and total fineness of the acetate tow are not particularly limited.

In Figure 1, the filter portion 15 is composed of a single segment, but it may also be composed of a plurality of segments. When composed of a plurality of segments, for example, a hollow segment is arranged on the upstream side, and the segment on the downstream side (user's mouth end side) is a state where the mouth section is filled with acetate tow . According to this aspect, the unnecessary loss of the generated mist can be prevented, and at the same time, the appearance of the non-combustion heating type smoking article can be improved.

In addition, during the manufacture of the filter, the adjustment of the air permeability resistance or the addition of additives (commonly known adsorbents, fragrances, fragrance-retaining materials, etc.) can be appropriately set.

The material of the second roll paper 13 (outer layer paper) is not particularly limited, and the roll paper according to the embodiment of the present invention can be used in part or all. For example, the second roll paper 13 may include a form in which the tobacco rod, the paper tube portion 14, and the filter portion 15 are wound and fixed using vinyl acetate-based glue.

The tobacco rod system contains tobacco shreds as the filler 11, and the material of the tobacco shreds is not particularly limited, and generally known ones such as lamina or main vein can be used. The content range of the filler in the tobacco rod is 200 to 400 mg/bar, preferably 250 to 320 mg/bar for a tobacco rod with a circumference of 22 mm and a length of 20 mm. The water content of the filler may be 10 to 15% by weight, preferably 11 to 13% by weight. Therefore, when the moisture content is used, the occurrence of winding exudation can be suppressed, and the winding suitability during the manufacture of the tobacco rod can be improved.

There are no special restrictions on the size of the tobacco shreds used as fillers and the preparation method. For example, the tobacco leaf after drying can be shredded to a width of 0.8 to 1.2 mm.

In addition, it can also be used: the dried tobacco leaves are crushed to an average particle diameter of about 20 to 200 μm and homogenized, and then processed into thin sheets, and shredded to a width of 0.8 to 1.2 mm.

In addition, it is also possible to use crease processing instead of shredding the above-mentioned sheet processing, and use it as a filler.

The filler includes a mist generating base material that generates mist and smoke. The type of the mist generating substrate is not particularly limited, and extracts from various natural products and/or these constituent components can be selected according to the application. Examples of the mist generating substrate include glycerin, propylene glycol, glycerol triacetate, 1,3-butanediol, and mixtures thereof.

The content of the mist generating substrate in the filler is not particularly limited. From the viewpoint of sufficient mist generation and good taste, it is usually 5% by weight or more, preferably 10% by weight or more. , Usually 50% by weight or less, preferably 20% by weight or less.

The filling may also contain fragrance. The type of fragrance is not particularly limited. From the viewpoint of imparting a good tasting taste, examples include p-methoxyacetophenone (Acetanisole), acetophenone, acetylpyrazine, and 2-acetyl pyrazine. Thiazole, Alfalfa Extract, Amyl Alcohol, Amyl Butyrate, Trans-Anethole, Star Anise Oil, Apple Juice, Peru Balsam Oil ), beeswax essence, benzaldehyde, benzoin essential oil (Benzoin Resinoid), benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2- Butanol, Butyl Butyrate, Butyric Acid, Caramel, Cardamon Oil, Carob absolute, β-Carotene, Carrot Juice, L-Carvone, β-Caryophyllene, Cinnamon Bark Oil, Cedarwood Oil, Celery Seed Oil, Chamomile Oil, Cinnamaldehyde, Cinnamic Acid, Cinnamyl Alcohol, Cinnamyl Cinnamate , Citronella oil, D-L-citronellol, Clary sage extract, Cocoa, Coffee, Cognac Oil, Coriander Oil, Cuminaldehyde, Artemisia annua Davana Oil, δ-decanolide, γ-decanolide, capric acid, Dill herb oil, 3,4-dimethyl-1,2-cyclopentanedione, 4, 5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one, 3,7-dimethyl-6-octenoic acid, 2,3-dimethylpyrazine, 2,5- Dimethylpyrazine, 2,6-Dimethylpyrazine, ethyl 2-methylbutyrate, ethyl acetate, ethyl butyrate, ethyl caproate, ethyl isovalerate, ethyl lactate, laurel Ethyl Acetate, Ethyl Acetate Propionate, Ethyl Maltol, Ethyl Caprylate, Ethyl Oleate, Ethyl Palmitate, Ethyl Phenylacetate, Ethyl Propionate, Ethyl Stearate, Valeric Acid Ethyl, ethyl vanillin, ethyl vanillin glucoside (Ethyl Vanillin Glucoside), 2-ethyl-3, (5 or 6)-dimethylpyrazine, 5-ethyl-3-hydroxy-4- Methyl-2(5H)-furanone, 2-ethyl-3-methylpyrazine, Eucalyptus oil (Eucalyptol), Fenugreek absolute, Genugreek absolute, Genet absolute, Gentian Root infusion (Gentian root infusion), geraniol (Geraniol), geraniol acetate, grape juice, guaiacol (Guaiacol ), guava extract, γ-heptanolide, γ-caprolactone, hexanoic acid, cis-3-hexen-1-ol, hexyl acetate, hexanol, phenylhexyl acetate, honey, 4 -Hydroxy-3-pentenoic acid lactone, 4-hydroxy-4-(3-hydroxy-1-butenyl)-3,5,5-trimethyl-2-cyclohexen-1-one, 4 -(P-hydroxyphenyl)-2-butanone, sodium 4-hydroxyundecanoate, Immortelle absolute, β-ionone, isoamyl acetate , Isoamyl butyrate, isoamyl phenylacetate, isobutyl acetate, isobutyl phenylacetate, jasmine essence, kolanut tincture (Kolanut tincture), labdan oil, lemon oil (Lemon oil) terpeneless), licorice extract, linalool (Linalool), linalyl acetate, Lovage root oil (Lovage root oil), maltol, maple syrup, menthol, menthone (Menthone), menthyl acetate, right Methoxybenzaldehyde, methyl-2-pyrrolyl ketone, methyl anthranilate, methyl phenylacetate, methyl salicylate, 4'-methylacetophenone, methylcyclopentadione, 3 -Methyl valeric acid, Mimosa absolute, molasses, myristic acid, nerol (Nerol), nerolidol, γ-nonanolactone, nutmeg oil, δ -Caprolactone, Octanal, Caprylic acid, Orange flower oil, Orange oil, Orris Root Oil, Palmitic acid, Omega-pentalactone, Peppermint oil, Paraguay Petitgrain Paraguay Oil, Phenyl Alcohol, Phenyl Ethyl Phenyl Acetate, Phenyl Acetic Acid, Piperonal, Plum Extract, Propenylguaethol, Propyl Acetate, 3- Propylidenephthalide (3-Propylidenephthalide), dried fruit plum juice, pyruvic acid, raisin extract, rose oil, lime wine, sage oil, sandalwood oil, spearmint oil, styrax absolute, 10,000 Marigold oil, tea distillate, α-terpineol, terpene acetate, 5,6,7,8-tetrahydroquinoxaline, 1,5,5,9-tetramethyl- 13-oxygen heterocycle (8.3.0.0(4.9)) tridecane, 2,3,5,6-tetramethylpyrazine, Thyme Oil, tomato extract, 2-tridecone, lemon Triethyl ester, 4-(2,6,6-trimethyl-1-cyclohexenyl)2-butene-4-one, 2,6,6-trimethyl-2-cyclohexene- 1,4-Dione, 4-(2,6,6-trimethyl-1,3-cyclohexadiene Base) 2-butene-4-one, 2,3,5-trimethylpyrazine, γ-undecanolide, γ-valerolactone, vanilla extract, vanillin, Veratraldehyde, Violet leaf extract, particularly preferably menthol. Moreover, these fragrances can be used individually by 1 type or in combination of 2 or more types.

The content of the flavor in the filler is not particularly limited. From the viewpoint of imparting a good taste, it is usually 10,000 ppm or more, preferably 20,000 ppm or more, particularly preferably 25,000 ppm or more, and usually 50,000 ppm or less, preferably It is 40,000 ppm or less, and particularly preferably 33,000 ppm or less.

The filling density of the filler is not particularly limited. From the viewpoint of ensuring the performance of the non-combustion heating smoking article and imparting a good taste, it is usually 250 mg/cm ³ or more, preferably 320 mg/cm ³ or more. In addition, it is usually 520 mg/cm ³ or less, preferably 420 mg/cm ³ or less.

In the manufacture of the non-combustion heating type smoking article of the embodiment of the present invention, the roll paper of the embodiment of the present invention described above can be used. Specifically, a filler including tobacco shreds and a mist generating base material can be shaped, and then the shaped filler can be wound using the roll paper of the embodiment of the present invention to obtain a tobacco rod. In addition, by using the outer layer paper (or the roll paper of the embodiment of the present invention) to wrap the tobacco rod and the member constituting the mouthpiece portion, a non-combustion heating type smoking article can be obtained. The generally known winding device can be used for the package.

In the manufacture of non-combustion heating smoking articles, by using the roll paper of the embodiment of the present invention as the roll paper and/or outer layer of the tobacco rod, it is possible to provide a method that does not impair the appearance impression after use (after heating) The non-combustion heating type smoking article.

A non-combustion heating type smoking article 10 according to an embodiment of the present invention is provided with a filler 11, a tobacco rod portion composed of a rolled paper 12 (rolled paper in an embodiment of the present invention), a paper tube portion 14 and a filter portion 15. And the second roll paper 13 used to connect these. In addition, the non-combustion heating smoking article 10 may also have a part of the second roll paper 13 around the paper tube portion 14 and the wrapped paper tube portion 14 with tiny holes for extracting air from the outside (not shown in the figure) ). Due to the existence of these tiny holes, air can flow from the outside into the inside of the paper tube portion 14 during use, so that the vapor containing the mist generating substrate and tobacco flavor components generated by heating the tobacco rod can be compared with the vapor from the outside. The air is contacted to lower the temperature and liquefy, and the mist can be generated more reliably.

〈Electric heating type smoking system〉

Figure 3 shows the same state of the electrically heated smoking system. The electric heating type smoking system 30 is embedded and used in such a way that the non-combustion heating type smoking article 10 described above is in contact with the heat transfer member 25, which is arranged inside the electric heating device 20 and is in contact with Heater 24 contacts.

The electric heating device 20 has, for example, a battery unit 21 and a control unit 22 inside a resin body 23.

As described above, the non-combustion heating type smoking article has: a filler 11, a tobacco rod portion formed by the first roll of paper 12 of the roll filler 11, and an end portion that constitutes the opposite side of the tobacco rod portion. The mouthpiece part 16; the tobacco stem part and the mouthpiece part are connected by using another second paper that is the same as or different from the paper used to wrap the filler. The cigarette holder part 16 of the non-combustion heating smoking article may be composed of a paper tube part 14 and a filter part 15 as shown in Fig. 1, or may be formed in a paper tube part 14 and a filter part as shown in Fig. 2 There is a hollow section formed by the filling layer 17 between 15.

When the non-combustion heating type smoking article is embedded in the electric heating device, the outer peripheral surface of the tobacco rod and the outer peripheral surface formed by the second roll of paper (outer paper 13) connecting the tobacco rod and the paper tube portion 14 A part of it is in contact with the heat transfer member 25 inside the electric heating device 20.

The heater 24 inside the electric heating device 20 generates heat by the control performed by the control unit 22. The heat is transferred to the tobacco rod of the non-combustion heating smoking article via the heat transfer member 25, so that the mist generating base material contained in the filler 11 of the tobacco rod is volatilized together with the flavor components.

By the heating performed by the heater member 24, the tobacco rod is heated to approximately 150 to 250°C.

When measuring the above L*, a*, b*, the heating temperature of the roll paper is set to 230°C and the time is set to 3 minutes, and it is assumed that the electrically heated smoking system of the embodiment of the present invention is used. And the setter.

The vapor containing the mist generating base material and flavor components generated by heating is atomized inside the paper tube portion 14 by the mechanism described above, and passes through the filter portion 15 of the non-combustion heating smoking article 10 And reach the user's mouth.

[Example]

The following examples illustrate the present invention in more detail, but the present invention is not limited to the description of the following examples as long as it does not exceed the gist.

<Preparation of paper samples before and after heating>

For the brightness L*, chromaticity a*, and chromaticity b* in the CIELab color system, papers with various values are prepared. As colored paper, for example, gravure printing is prepared, a mixture of unbleached pulp made from white general pulp, and a tobacco sheet made with fine tobacco leaves. As a completely uncolored paper sample, general outer layer paper and roll paper using 100% virgin pulp were prepared as a control. All 26 types of paper were prepared.

<Heating conditions>

The reheat furnace (product name: Muffle Furnace F0410 model, manufactured by Yamato Scientific) was adjusted to 230°C in advance. Open the furnace door and place the paper sample on household aluminum foil paper (material: aluminum foil thickness: 11μm), then put it in the reheat furnace and close the furnace door. Perform the aforementioned actions quickly (within 3 seconds) to minimize the temperature drop in the reheat furnace. Under the heating conditions in this embodiment (the temperature of the reheat furnace is set to 230°C, and the heating time of the paper sample is 3 minutes), the actual paper temperature is set at the slowest 1 minute after the furnace door is closed. The temperature phase is also about 230°C. This system has been confirmed by using color change temperature test paper (Thermolabel 5E-170/Thermolabel 5E-210) (manufactured by NOF Corporation).

<Color difference measurement>

A spectrophotometer (manufactured by X-Rite, product name SpectroEye) was used to measure the hue of each sample before and after heating. The measurement was performed under the conditions of a light source D65, no light source filter, and a viewing angle of 2°. One sample was placed on a paper with an ISO whiteness of 92%, and the measurement section of the spectrophotometer was pressed above it.

The measurement system was repeated for 5 locations and the average value was used in the analysis. L*, a*, and b* are obtained by direct measurement, and ΔL*, Δa*, and Δb* are obtained by subtracting the value after heating and discoloration from the value before heating and discoloration.

There are various evaluation and classification systems in hue evaluation. The CIELab color system is the color system set by CIE (International Commission on Illumination) and is the basis of JIS Z 8781-4 and ISO 11664-4. This color system is similar to human perception and is widely used, and it is a convenient classification system that can digitize the color tone in a three-dimensional manner. L* is the axis representing brightness, a* is the axis representing blue to yellow, b* is the axis representing blue-green to red-violet, the higher the L* value, the brighter, the closer a* and b* are to 0, the chroma Lower. For example, L*, a*, b*=100,0,0 is white, and 0,0,0 is black.

<Sensory Evaluation>

Let each of 20 testers look at the paper samples before and after heating and ask about the stains observed from the hue. When the number of 20 testers who said they looked stained and felt uncomfortable was more than 11, The appearance impression of the sample was judged to be ×, and when there were less than 11 people, the appearance impression of the sample was judged to be ○, and these results were used in the analysis.

<Analysis>

No correlation was observed between the ΔL*, Δa*, and Δb* values before and after heating and the quality of the appearance impression (Figure 4A to Figure 4C).

Since it is impossible to infer the quality of the hue of the heated paper from the simple diagram formed by the difference in the value of the hue monomers, the method of discriminant analysis using the color difference data is explored, and the discriminant analysis is performed to understand the complex factors. Relevance. This result can be obtained as a function of the following parameters that can determine the appearance impression with a high probability of 96.2%. The P value of the discriminant is less than 0.001, which is statistically highly effective. Generally speaking, if the discriminant rate exceeds 75%, it can be used for estimation. Therefore, the discriminant rate of 96.2% means that the level can be almost completely estimated.

Discriminant score y=-0.18×△L*+0.08×△a*+0.13×△b*-2.36 (1)

The discriminant score is 0.62 or more: × (bad)

The discriminant score did not reach 0.62: ○ (good)

Equation (1) means that the appearance impression after heating can almost be determined by the color difference between the paper sample before heating and the paper sample after heating △L*, △a*, △b*, for example, the lower the △L*, The higher the value of △a* and △b*, the higher the discrimination score. That is, the impression of the paper after heating is in a poor direction.

Figure 5 is a graph summarizing the results.

The discriminant analysis is based on the discriminant analysis of two groups of multivariate analysis using Excel Statistics Ver.2.15 manufactured by Bell Curve, and the analysis is performed under the following conditions.

(1) P value of increase and decrease method: 0.2 investment and 0.2 removal (2) Analysis by deducting the linear combination of variables

Figure 6 is a diagram showing the relationship between △a* and △b* of the paper sample of this survey for more detailed explanation.

Since it cannot be clearly expressed in three dimensions, the value of △L* is simply binarized with -10. For those whose value is lower than -10 (it becomes darker), it is expressed with a black circle or a thick ×.

Those with poor appearance impression in the evaluation are indicated by "×", and the values of △a* and △b* are all located at higher places. This refers to a large change in color to red-purple, yellow, or a mixed brown color due to heating. In addition, relatively large amounts of those with lower ΔL* are also observed. In other words, these samples are visually a so-called group of samples with a light focus color close to a deep focus color, and intuitively can also be understood as a group with poor appearance impression.

In these sample groups, the L* value before heating is relatively high and the a* value and b* value are also low, that is, most of them are bright and low chroma. It is believed that this bright and light hue sample will change the brown color obviously due to heating, resulting in the deterioration of the appearance impression.

On the contrary, for the samples with good appearance impression "○", the values of △a* and △b* are all located at a lower position. This means that the color is greatly changed to blue or green or the mixed blue-green direction due to heating. Among them, even if ΔL* is relatively low, that is, the brightness is small and dark, it is still observed as ○. These sample groups are contrary to the situation of ×, the L* value is relatively low and the a* value and b* value are also high before heating, that is, most of them are dark and high chroma. The samples with this denser hue are not easy to change significantly due to heating, which helps to maintain a good appearance impression.

When viewing the stipple as a whole, the dots are distributed in a wide range of △a* of ±20 and △b* of ±30, so it can be seen that this experiment is not partial, but covers samples that form various hue changes. .

In the present invention, the color change degree of the paper before and after heating is focused on, and the area is grasped with numerical values to define the effective range.

I originally thought that it would be easy to think of this parameterization simply using the hue before heating to specify the area, but in this statistical method, only the values of L*, a*, and b* of the paper before heating without color difference In, no useful mathematical formula can be obtained. It is believed that this is still because the colored components such as pigments or dyes contained in the color have different thermal decomposition behaviors, and the degree of discoloration after heating is also different due to the different color components. Therefore, not only the original color of the paper, but also the way of thinking of the present invention that can accurately estimate the appearance impression based on the degree of discoloration is also reasonable.

Furthermore, according to the above-mentioned test results, it can be seen that paper with a discriminant score of less than 0.62 has a small degree of discoloration before and after heating, and does not give an impression of discomfort to the person performing the observation.

Based on the above content, the paper rolls with the recipes shown in Experimental Examples 1 to 18 shown in Table 2 below were further prepared. Specifically, in Experimental Examples 1 to 18, the basis weight and filler content were changed as described in Table 1. In these experimental examples, wood pulp was used as pulp and calcium carbonate (manufactured by Shiraishi Kogyo Co., Ltd.) was used as filler. Papermaking is done by hand, and the method is based on JIS P-8222 "Pulp-Test Method for Preparing Handmade Paper". In addition, prepare rolling paper for general cigarettes. The papers of Experimental Examples 1 to 18 did not contain a combustion enhancer. On the other hand, a general cigarette paper contains 1.0% by weight of the combustion enhancer (sodium citrate).

For these paper rolls, the values of L*, a*, and b* after heating at 230°C for 3 minutes are subtracted from the values of L*, a*, and b* measured in advance before heating to obtain the delta value , And then substitute each value into the formula for calculating the above discriminant score to obtain the discriminant score. The heating method is the same as the above-mentioned samples 1 to 26.

In addition, the ISO whiteness before heating was measured for these roll papers. Then, in accordance with P8113:2006 (ISO1924-2:1994) described above, a Strograph E-L manufactured by Toyo Seiki Seisakusho Co., Ltd. was used as a measuring device to measure the tensile strength. The results are shown in Table 2.

Judging from the results in Table 2, in Experimental Examples 1, 7, and 13, in which the ISO whiteness before heating did not reach 83%, the discriminant score was greater than 0.62, and the appearance impression after heating was deteriorated. On the other hand, if the ISO whiteness before heating is 83% or more and the content of basis weight and filler is a predetermined value, although the color before heating is white, that is, the L* value is high and it is considered as the appearance impression after heating For those who are prone to deterioration, the appearance impression after heating is not impaired. In addition, the discriminant score of general cigarette paper containing a combustion enhancer is greater than 0.62, and the appearance impression after heating becomes poor. In addition, regardless of the basis weight, when the filler content exceeds 45% by weight, a tendency to decrease the tensile strength of the roll paper can be observed. In addition, the high-speed winding characteristics of the tobacco rod will deteriorate if the content of the filler is too high.

Then, according to the results of Table 2, draw the filler content on the horizontal axis and the discriminant score on the vertical axis according to different basis weights to make a graph (Figure 7). From the results in Figure 7, it can be observed that the smaller the basis weight and the higher the filler content, the smaller the discriminative score tends to be.

Next, for the results of the second table, in order to more easily understand the relationship between the filler content and basis weight and the discriminant score, the third table is summarized as shown below.

According to the description in Figure 7 and Table 3, from the viewpoint of appearance impression, it can be known that when the basis weight of the roll paper is 25 gsm or more and 35 gsm or less, the filler is preferably 15 to 45% by weight, and the basis weight exceeds 35 gsm and is When 45 gsm or less, the filler is preferably 25 to 45% by weight. Within the ranges of the above-mentioned basis weights, when the filler content is below each lower limit, the opacity is small, and the tobacco shreds of the contents tend to be seen through when used as a roll paper. In addition, it can be seen that even if the basis weight and the content of the filler are within the above-mentioned ranges, those containing the combustion enhancer are not good from the viewpoint of appearance impression.

10‧‧‧Non-combustion heating type smoking articles

11‧‧‧Filling

12‧‧‧The first roll of paper

13‧‧‧The second roll of paper (outer paper)

14‧‧‧Paper Tube Department

15‧‧‧Filter

16‧‧‧Cigarette holder

Claims (8)

A non-combustion heating type smoking article roll paper, which has a white part, the white part will be heated at 230 ℃ for 3 minutes before and after the color difference in the CIELab color system is substituted into the following formula (1) The discriminant score shows a value lower than 0.62, and the ISO whiteness is 83% or more. The aforementioned non-combustion heating type smoking article roll paper contains filler, and the content of the filler is 15 to 45% by weight. The aforementioned non-combustion heating type smoking article uses The basis weight of the roll paper is 25 to 45gsm, and the discrimination score (y) y=-0.18×△L*+0.08×△a*+0.13×△b*-2.36 (1) In formula (1), the so-called before heating and The color difference value in the CIELab color system is the value obtained by subtracting the L*, a*, b* values before heating from the L*, a*, b* values after heating; △L* represents the aforementioned volume The difference between the brightness L* of the paper after heating and before heating, △a* represents the difference between the chromaticity a* of the aforementioned roll paper after heating and before heating, △b* represents the chromaticity b* of the aforementioned roll paper after heating and before heating The difference. The non-combustion heating type smoking article roll paper described in the first item of the scope of patent application, wherein, when the basis weight of the aforementioned non-combustion heating type smoking article roll paper is 25 gsm or more and 35 gsm or less, the filler content is 15 to 45 weight %, when the basis weight of the aforementioned non-combustion heating type smoking article roll paper exceeds 35 gsm and is 45 gsm or less, the filler content is 25 to 45% by weight. The non-combustion heating type smoking article roll paper described in item 1 or 2 of the scope of patent application has a tensile strength of 8N/15mm or more. The non-combustion heating type smoking article roll paper described in item 1 or 2 of the scope of patent application, wherein the filler is calcium carbonate, and the opacity of the roll paper is 60% or more. The non-combustion heating type smoking article roll paper described in item 1 or 2 of the scope of patent application, wherein the discrimination score of the white part does not reach 0. The non-combustion heating type smoking article roll paper described in item 1 or 2 of the scope of patent application, wherein the aforementioned roll paper does not contain a combustion-supporting agent. A non-combustion heating type smoking article is provided with a tobacco stem and a mouthpiece that forms an end on the opposite side of the tobacco stem. The tobacco stem is a filler containing tobacco shreds and a mist generating substrate. Rolled by the first roll of the filler; the tobacco stem and the mouthpiece are connected by using a second roll of paper that is the same or different from the roll of the filler, and the first At least one of the first roll of paper and the second roll of paper is the non-combustion heating type smoking article roll as described in item 1 or 2 of the scope of patent application. An electric heating type smoking system is composed of an electric heating type device and a non-combustion heating type smoking article as described in item 7 of the scope of patent application that is fitted in a manner of contacting the following heat transfer member. The electric heating The type device includes a heater member, a heat transfer member that conducts heat from the heater member, a battery unit that becomes a power source of the heater member, and a control unit for controlling the heater member.

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